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Manual merge

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evgen@moonbone.local
2005-09-15 22:21:30 +04:00
parent d693323b69 dbfc28cec1
commit 3065cc0edf
3 changed files with 23 additions and 1 deletions
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12
mysql-test/r/olap.result
View File

@ -580,6 +580,18 @@ a LENGTH(a) COUNT(*)
2 1 1
NULL NULL 2
DROP TABLE t1;
create table t1 ( a varchar(9), b int );
insert into t1 values('a',1),(null,2);
select a, max(b) from t1 group by a with rollup;
a max(b)
NULL 2
a 1
NULL 2
select distinct a, max(b) from t1 group by a with rollup;
a max(b)
NULL 2
a 1
drop table t1;
CREATE TABLE t1(id int, type char(1));
INSERT INTO t1 VALUES
(1,"A"),(2,"C"),(3,"A"),(4,"A"),(5,"B"),

10
mysql-test/t/olap.test
View File

@ -274,6 +274,15 @@ SELECT * FROM (SELECT a, LENGTH(a), COUNT(*) FROM t1 GROUP BY a WITH ROLLUP) t;
DROP TABLE t1;
#
# Bug #12887 Distinct is not always applied after rollup
#
create table t1 ( a varchar(9), b int );
insert into t1 values('a',1),(null,2);
select a, max(b) from t1 group by a with rollup;
select distinct a, max(b) from t1 group by a with rollup;
drop table t1;
# End of 4.1 tests
#
@ -309,3 +318,4 @@ SELECT * FROM v1;
DROP VIEW v1;
DROP TABLE t1;
# End of 4.1 tests

2
sql/sql_select.cc
View File

@ -755,7 +755,7 @@ JOIN::optimize()
}
if (group_list || tmp_table_param.sum_func_count)
{
if (! hidden_group_fields)
if (! hidden_group_fields && rollup.state == ROLLUP::STATE_NONE)
select_distinct=0;
}
else if (select_distinct && tables - const_tables == 1)